Improved charge stability in PTFE coatings for PDMS ferroelectrets
Improved charge stability in PTFE coatings for PDMS ferroelectrets
Charge dissipation in previous Polydimethylsiloxane (PDMS) ferroelectrets was observed and the piezoelectric coefficient d 33 of most samples drop to below 10 pC/N in one month after charging. This issue limits its long-term energy harvesting performance. This paper presents an approach to coat the PDMS with Polytetrafluoroethylene (PTFE) to enhance the surface charge stability of the ferroelectret. After coating a thin PTFE film in the void surfaces of PDMS ferroelectret, the piezoelectric coefficient d 33 obtained remained at 80 pC/N after 6 months.
1-5
Zhang, M.
336a321a-cadc-4580-b91f-04d8da0d7aa2
Shi, J.
ccf07607-3ee9-4c29-b326-4f9685fa1a6e
Beeby, S.P.
373049ab-ceea-4dca-ae45-a77b28cbbf28
2 December 2019
Zhang, M.
336a321a-cadc-4580-b91f-04d8da0d7aa2
Shi, J.
ccf07607-3ee9-4c29-b326-4f9685fa1a6e
Beeby, S.P.
373049ab-ceea-4dca-ae45-a77b28cbbf28
Zhang, M., Shi, J. and Beeby, S.P.
(2019)
Improved charge stability in PTFE coatings for PDMS ferroelectrets.
2019 19th International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS), Krakow, Poland.
02 - 06 Dec 2019.
.
(doi:10.1109/PowerMEMS49317.2019.30773705679).
Record type:
Conference or Workshop Item
(Paper)
Abstract
Charge dissipation in previous Polydimethylsiloxane (PDMS) ferroelectrets was observed and the piezoelectric coefficient d 33 of most samples drop to below 10 pC/N in one month after charging. This issue limits its long-term energy harvesting performance. This paper presents an approach to coat the PDMS with Polytetrafluoroethylene (PTFE) to enhance the surface charge stability of the ferroelectret. After coating a thin PTFE film in the void surfaces of PDMS ferroelectret, the piezoelectric coefficient d 33 obtained remained at 80 pC/N after 6 months.
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Published date: 2 December 2019
Venue - Dates:
2019 19th International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS), Krakow, Poland, 2019-12-02 - 2019-12-06
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Local EPrints ID: 490729
URI: http://eprints.soton.ac.uk/id/eprint/490729
PURE UUID: 34383ab7-0e2a-46c1-8f95-be28bb7d264e
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Date deposited: 04 Jun 2024 17:00
Last modified: 04 Jun 2024 17:00
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Author:
M. Zhang
Author:
S.P. Beeby
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